Mazda Fd3s RX-7 AST Tank Flange - AluminumVinny Fab FD3S RX 7 AST Tank Flange (Aluminium) Mazda FD3S RX 7 AST Tank Flange precision CNC machined from 12 mm billet aluminium. Perfect for those wanting to fabricate their own AST (Air Separator Tank) setups. Designed for strength, light weight, and weld ready precision, this flange is ideal for custom cooling and breather systems.

140mm diameter

External oil feed adaptor to suit Mazda RX-8 13B engines & Mazda 12A

10AN turbo oil return adaptors to suit the front cover on Mazda FD RX7 13B (Series 6) and Mazda FC RX7 13B (Series 4 & 5)

Available in our standard range of seven anodised colours

other than RX8 engines

The design that started it all the OG

Ideal for improving oil cooling

performance-built appearance

Compatible with the following engines:

and factory water hardlines

Franklin Performance Oil Filter Relocation Kit (low profile block adaptor + remote mount)

Whether you’re fabricating a custom oil return